:root{--bg:#07111f;--panel:#101f36;--panel2:#142845;--text:#f7fbff;--muted:#aebbd0;--line:#233b5c;--brand:#ffb000;--ok:#29d391;--bad:#ff6464}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#07111f,#0e223f);color:var(--text);font-family:Kanit,'Noto Sans Thai',system-ui,sans-serif}.app-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:#081426;border-right:1px solid var(--line);padding:22px;position:sticky;top:0;height:100vh}.brand{display:flex;gap:12px;align-items:center;margin-bottom:26px}.brand span{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--brand),#ff7a00);display:grid;place-items:center;color:#07111f;font-weight:800}.brand strong{display:block}.brand small{color:var(--muted)}nav{display:grid;gap:10px}nav button,.link{display:block;border:1px solid var(--line);background:#0f213b;color:var(--text);padding:12px 14px;border-radius:14px;text-align:left;text-decoration:none;font:inherit;cursor:pointer}nav button.active,nav button:hover,.primary{background:linear-gradient(135deg,var(--brand),#ff7a00);color:#07111f;border:0;font-weight:700}.hidden{display:none!important}main{padding:28px}.login-card{max-width:460px;margin:9vh auto;background:rgba(16,31,54,.92);padding:30px;border:1px solid var(--line);border-radius:26px;box-shadow:0 25px 70px rgba(0,0,0,.35)}h1,h2,h3,p{margin-top:0}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.topbar p,.status,.muted{color:var(--muted)}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.metric,.panel{background:rgba(16,31,54,.92);border:1px solid var(--line);border-radius:22px;padding:18px}.metric b{display:block;font-size:28px;color:var(--brand)}.grid-2{display:grid;grid-template-columns:minmax(320px,440px) 1fr;gap:18px}.form-panel{display:grid;gap:12px}label{display:grid;gap:6px;color:#dce8f8}input,select,textarea{width:100%;border:1px solid #2d4a70;background:#0b1830;color:var(--text);border-radius:13px;padding:12px;font:inherit}textarea{min-height:90px}.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}button.primary,.primary{border-radius:14px;padding:12px 16px;cursor:pointer;font:inherit}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:720px}.table th,.table td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.table th{color:var(--brand);font-weight:700}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:12px}.product-card{border:1px solid var(--line);background:var(--panel2);border-radius:18px;padding:12px}.product-card img{width:100%;height:140px;object-fit:cover;border-radius:14px;background:#07111f}.badge{display:inline-block;background:rgba(255,176,0,.14);color:#ffdf8a;border:1px solid rgba(255,176,0,.35);border-radius:999px;padding:4px 10px;font-size:12px;margin:8px 0}@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto}.summary-grid,.grid-2{grid-template-columns:1fr}.row{grid-template-columns:1fr}main{padding:18px}}